Note 11 - Fair Value (Details) - Losses Related to Fair Value Adjustments (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Foreclosed Assets [Member]
Losses related to:
Losses	$ 39	[1]	$ 845	[1]	$ 103	[1]	$ 922	[1]
Impaired Loans [Member]
Losses related to:
Losses	$ 50	[2]	$ 451	[2]	$ 50	[2]	$ 451	[2]

[1] Losses represent related losses on foreclosed properties that were written down subsequent to their initial classification as foreclosed properties.

[2] Losses on impaired loans represent charge-offs which are netted against the allowance for loan losses.